Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationVitalSigns(1.0.0)	FHIR Vital Signs Profile Constraints: obs-6, obs-7, vs-2
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
coding	SΣ	1..*	Coding	Code defined by a terminology system
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Coded Responses from C-CDA Vital Sign Results Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
effective[x]	SΣC	1..1	dateTime	Often just a dateTime for Vital Signs Constraints: vs-1
performer	Σ	1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
coding	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..1	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : ($this as dateTime).toString().length() >= 8
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation			ObservationVitalSigns(1.0.0)
identifier
use		0..0
type		0..0
system		1..1	uri	The namespace for the identifier value
value		1..1	string	The value that is unique
period		0..0
assigner		0..0
code
Slices for coding		1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
focus		0..0
encounter
identifier
system		1..1	uri	The namespace for the identifier value
value		1..1	string	The value that is unique
effective[x]		1..1	dateTime	Often just a dateTime for Vital Signs
performer		1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]		1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Open by type:$this
value[x]:valueCodeableConcept		1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
coding		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
interpretation		0..1	CodeableConcept	High, low, normal, etc.
note
author[x]		0..0
time		0..0
bodySite		0..0
specimen		0..0
device		0..0
referenceRange		0..0
component		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationVitalSigns(1.0.0)	FHIR Vital Signs Profile Constraints: obs-6, obs-7, vs-2
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	SΣ	1..*	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
code	SΣ	1..1	CodeableConcept	Coded Responses from C-CDA Vital Sign Results Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	ΣC	0..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier	Σ	0..1	Identifier	Logical reference, when literal reference is not known
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
display	Σ	0..1	string	Text alternative for the resource
effective[x]	SΣC	1..1	dateTime	Often just a dateTime for Vital Signs Constraints: vs-1
issued	Σ	0..1	instant	Date/Time this version was made available
performer	Σ	1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..1	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note		0..*	Annotation	Comments about the observation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
text	Σ	1..1	markdown	The annotation - text content (as markdown)
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Used when reporting vital signs panel components
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.encounter.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types From the FHIR Standard
Observation.encounter.identifier.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Observation.encounter.identifier.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type From the FHIR Standard
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : ($this as dateTime).toString().length() >= 8
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())

Summary

Mandatory: 10 elements(4 nested mandatory elements)
Fixed: 3 elements
Prohibited: 12 elements

Slices

This structure defines the following Slices:

• The element 2 is sliced based on the values of Observation.code.coding
• The element 1 is sliced based on the value of Observation.value[x]

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationVitalSigns(1.0.0)	FHIR Vital Signs Profile Constraints: obs-6, obs-7, vs-2
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
coding	SΣ	1..*	Coding	Code defined by a terminology system
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
code	SΣ	1..1	CodeableConcept	Coded Responses from C-CDA Vital Sign Results Binding: VitalSigns (extensible): This identifies the vital sign result type.
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
effective[x]	SΣC	1..1	dateTime	Often just a dateTime for Vital Signs Constraints: vs-1
performer	Σ	1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
coding	Σ	1..1	Coding	Code defined by a terminology system
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code	Σ	1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..1	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : ($this as dateTime).toString().length() >= 8
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation			ObservationVitalSigns(1.0.0)
identifier
use		0..0
type		0..0
system		1..1	uri	The namespace for the identifier value
value		1..1	string	The value that is unique
period		0..0
assigner		0..0
code
Slices for coding		1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
focus		0..0
encounter
identifier
system		1..1	uri	The namespace for the identifier value
value		1..1	string	The value that is unique
effective[x]		1..1	dateTime	Often just a dateTime for Vital Signs
performer		1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]		1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Open by type:$this
value[x]:valueCodeableConcept		1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
coding		1..1	Coding	Code defined by a terminology system
system		1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
code		1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
interpretation		0..1	CodeableConcept	High, low, normal, etc.
note
author[x]		0..0
time		0..0
bodySite		0..0
specimen		0..0
device		0..0
referenceRange		0..0
component		0..0
Documentation for this format

Terminology Bindings (Differential)

Path	Conformance	ValueSet	URI
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Observation	C	0..*	ObservationVitalSigns(1.0.0)	FHIR Vital Signs Profile Constraints: obs-6, obs-7, vs-2
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
identifier	Σ	0..*	Identifier	Business Identifier for observation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
basedOn	Σ	0..*	Reference(CarePlan | DeviceRequest | ImmunizationRecommendation | MedicationRequest | NutritionOrder | ServiceRequest)	Fulfills plan, proposal or order
partOf	Σ	0..*	Reference(MedicationAdministration | MedicationDispense | MedicationStatement | Procedure | Immunization | ImagingStudy)	Part of referenced event
status	?!SΣ	1..1	code	registered | preliminary | final | amended + Binding: ObservationStatus (required)
Slices for category	S	1..*	CodeableConcept	Classification of type of observation Slice: Unordered, Open by value:coding.code, value:coding.system Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
category:VSCat	S	1..1	CodeableConcept	Classification of type of observation Binding: ObservationCategoryCodes (preferred): Codes for high level observation categories.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	SΣ	1..*	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	SΣ	1..1	uri	Identity of the terminology system Fixed Value: http://terminology.hl7.org/CodeSystem/observation-category
version	Σ	0..1	string	Version of the system - if relevant
code	SΣ	1..1	code	Symbol in syntax defined by the system Fixed Value: vital-signs
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
code	SΣ	1..1	CodeableConcept	Coded Responses from C-CDA Vital Sign Results Binding: VitalSigns (extensible): This identifies the vital sign result type.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
Slices for coding	Σ	1..*	Coding	Code defined by a terminology system Slice: Unordered, Open by value:code, value:system
coding:AcvpuCode	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Fixed Value: 1104441000000107
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
subject	SΣ	1..1	Reference(Patient)	Who and/or what the observation is about
encounter	Σ	0..1	Reference(Encounter)	Healthcare event during which this observation is made
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
reference	ΣC	0..1	string	Literal reference, Relative, internal or absolute URL
type	Σ	0..1	uri	Type the reference refers to (e.g. "Patient") Binding: ResourceType (extensible): Aa resource (or, for logical models, the URI of the logical model).
identifier	Σ	0..1	Identifier	Logical reference, when literal reference is not known
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
use	?!Σ	0..1	code	usual | official | temp | secondary | old (If known) Binding: IdentifierUse (required): Identifies the purpose for this identifier, if known .
type	Σ	0..1	CodeableConcept	Description of identifier Binding: Identifier Type Codes (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose.
system	Σ	1..1	uri	The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient
value	Σ	1..1	string	The value that is unique Example General: 123456
period	Σ	0..1	Period	Time period when id is/was valid for use
assigner	Σ	0..1	Reference(Organization)	Organization that issued id (may be just text)
display	Σ	0..1	string	Text alternative for the resource
effective[x]	SΣC	1..1	dateTime	Often just a dateTime for Vital Signs Constraints: vs-1
issued	Σ	0..1	instant	Date/Time this version was made available
performer	Σ	1..*	Reference(Practitioner | PractitionerRole | Organization | Patient)	Who is responsible for the observation
Slices for value[x]	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept. Slice: Unordered, Closed by type:$this
value[x]:valueCodeableConcept	SΣC	1..1	CodeableConcept	Vital Signs value are recorded using the Quantity data type. For supporting observations such as Cuff size could use other datatypes such as CodeableConcept.
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
coding	Σ	1..1	Coding	Code defined by a terminology system
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
system	Σ	1..1	uri	Identity of the terminology system Fixed Value: http://snomed.info/sct
version	Σ	0..1	string	Version of the system - if relevant
code	Σ	1..1	code	Symbol in syntax defined by the system Binding: ACVPU (required)
display	Σ	0..1	string	Representation defined by the system
userSelected	Σ	0..1	boolean	If this coding was chosen directly by the user
text	Σ	0..1	string	Plain text representation of the concept
dataAbsentReason	SC	0..1	CodeableConcept	Why the result is missing Binding: DataAbsentReason (extensible): Codes specifying why the result (Observation.value[x]) is missing.
interpretation		0..1	CodeableConcept	High, low, normal, etc. Binding: ObservationInterpretationCodes (extensible): Codes identifying interpretations of observations.
note		0..*	Annotation	Comments about the observation
id		0..1	string	Unique id for inter-element referencing
extension		0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
text	Σ	1..1	markdown	The annotation - text content (as markdown)
method		0..1	CodeableConcept	How it was done Binding: ObservationMethods (example): Methods for simple observations.
hasMember	Σ	0..*	Reference(Observation | QuestionnaireResponse | MolecularSequence)	Used when reporting vital signs panel components
derivedFrom	Σ	0..*	Reference(DocumentReference | ImagingStudy | Media | QuestionnaireResponse | Observation | MolecularSequence)	Related measurements the observation is made from
Documentation for this format

Terminology Bindings

Path	Conformance	ValueSet	URI
Observation.language	preferred	CommonLanguages http://hl7.org/fhir/ValueSet/languages From the FHIR Standard Additional Bindings Purpose AllLanguages Max Binding
Observation.status	required	ObservationStatus http://hl7.org/fhir/ValueSet/observation-status|4.0.1 From the FHIR Standard
Observation.category	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.category:VSCat	preferred	ObservationCategoryCodes http://hl7.org/fhir/ValueSet/observation-category From the FHIR Standard
Observation.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.encounter.type	extensible	ResourceType http://hl7.org/fhir/ValueSet/resource-types From the FHIR Standard
Observation.encounter.identifier.use	required	IdentifierUse http://hl7.org/fhir/ValueSet/identifier-use|4.0.1 From the FHIR Standard
Observation.encounter.identifier.type	extensible	Identifier Type Codes http://hl7.org/fhir/ValueSet/identifier-type From the FHIR Standard
Observation.value[x]:valueCodeableConcept.coding.code	required	ACVPU https://cambio.codes/snomed/acvpu/v1 From this IG
Observation.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard
Observation.method	example	ObservationMethods http://hl7.org/fhir/ValueSet/observation-methods From the FHIR Standard
Observation.referenceRange.type	preferred	ObservationReferenceRangeMeaningCodes http://hl7.org/fhir/ValueSet/referencerange-meaning From the FHIR Standard
Observation.referenceRange.appliesTo	example	ObservationReferenceRangeAppliesToCodes http://hl7.org/fhir/ValueSet/referencerange-appliesto From the FHIR Standard
Observation.component.code	extensible	VitalSigns http://hl7.org/fhir/ValueSet/observation-vitalsignresult From the FHIR Standard
Observation.component.value[x]	required	VitalSignsUnits http://hl7.org/fhir/ValueSet/ucum-vitals-common|4.0.1 From the FHIR Standard
Observation.component.dataAbsentReason	extensible	DataAbsentReason http://hl7.org/fhir/ValueSet/data-absent-reason From the FHIR Standard
Observation.component.interpretation	extensible	ObservationInterpretationCodes http://hl7.org/fhir/ValueSet/observation-interpretation From the FHIR Standard

Constraints

Id	Grade	Path(s)	Details	Requirements
dom-2	error	Observation	If the resource is contained in another resource, it SHALL NOT contain nested Resources : contained.contained.empty()
dom-3	error	Observation	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource : contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	Observation	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated : contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	Observation	If a resource is contained in another resource, it SHALL NOT have a security label : contained.meta.security.empty()
dom-6	best practice	Observation	A resource should have narrative for robust management : text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both : extension.exists() != value.exists()
obs-6	error	Observation	dataAbsentReason SHALL only be present if Observation.value[x] is not present : dataAbsentReason.empty() or value.empty()
obs-7	error	Observation	If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present : value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()
vs-1	error	Observation.effective[x]	if Observation.effective[x] is dateTime and has a value then that value shall be precise to the day : ($this as dateTime).toString().length() >= 8
vs-2	error	Observation	If there is no component or hasMember element then either a value[x] or a data absent reason must be present. : (component.empty() and hasMember.empty()) implies (dataAbsentReason.exists() or value.exists())

Summary

Mandatory: 10 elements(4 nested mandatory elements)
Fixed: 3 elements
Prohibited: 12 elements

Slices

This structure defines the following Slices:

• The element 2 is sliced based on the values of Observation.code.coding
• The element 1 is sliced based on the value of Observation.value[x]